how can i tell how old is my turtle n the sex?

Answer 1

The only real way to know the age is to see it be born. You can get a VERY rough idea by counting the belly scale rings. The problem is that they do not do a ring a year. What you want to do is to look for a pattern. If it alternates big ring, small ring, big ring..., then count only the big rings. If it is a small turtle with only a few rings, count a ring for every 6 months or so.

Remember- this is NOT a scientific method but satisfies curiosity.

Sexing the turtle is tough until they hit about 4" long, then...

MALES have longer, thinner tails with the vent opening in about the middle, and belly shells (plastrons) that curve inwards.

FEMALES have shorter, wider tails with vents near the base, and either flat or outcurved plastrons.

In many sliders, the male also has really long front claws.

Answer 2

Age in a turtle is difficult. partly it depends on the species partly on the environmental conditions in raising it. As a rule you can count the rings on its shell scales but they depend on how well it has been cared for (poor conditions will give poor thin rings)
sex is easier , look on the belly , if it is slightly concave it is a male . a flat belly is a female (you see the male is on top but because of the curve of her shell he has to fit.....)